How To Kill Aphids On House Plants

The infected plant should be quarantined first, and the place where it was sitting should subsequently be properly cleaned. Make sure to look for aphid indications on every nearby houseplant as well.

Then, start utilizing these natural aphid treatment techniques right away on the infected plant.

Kill Aphids With Soapy Water

When I see aphids on indoor plants, the first thing I do is wash the plant in soap and water. For larger houseplants, you can perform this process in the shower or the sink.

To begin, you can use a strong stream of water to wash all of the aphids you observe off the leaves of the infected houseplant.

Then, use a weak mixture of water and light liquid soap to wash the leaves. Aphids are instantly killed by soapy water.

Test a single leaf first to ensure that the soap won’t harm the plant before applying any kind of soap solution to your plants’ aphid infestation. Some plants can be injured by soapy water because of their sensitivity to it.

Make Your Own Homemade Aphid Spray

Utilizing organic insecticidal soap to kill aphids on plants is another fantastic DIY solution.

For killing aphids on houseplants, you may either purchase an organic insecticidal soap or make my DIY aphid pesticide spray.

What rapidly eradicates aphids?

Rubbish alcohol, also known as isopropyl alcohol or isopropanol, works well and is widely available, but be sure it is free of contaminants. It seems that ethanol (grain alcohol) works the best. In retailers, alcohol is typically sold at a 70 percent strength (or 95 percent strength purchased commercially). Mix equal quantities of water and 70% alcohol (or, if using 95 percent alcohol, 1 part alcohol to 1 1/2 parts water) to create an insecticidal alcohol solution.

To make a soapy emulsion more powerful, you can also add alcohol to it. For instance, mix 5 cups water, 2 cups isopropyl alcohol, and 1 tablespoon liquid dish soap in a spray bottle.

The entire plant should NOT be sprayed with these kinds of solutions at once. Just the affected areas should be sprayed or cleaned. It may be essential to apply it more than once because it only kills aphids that come into touch with it.

CAUTION: Always test a small area of the plant before using an alcohol or soap spray, or a mixture of the two, and apply in the morning or evening, when the sun is not as intense. Before adding additional, wait a few days to check for any negative effects on the plant. Dish soap and alcohol can irritate plants. Additionally, some soaps have ingredients that harm plants; choose the purest type.

What causes plant aphids inside?

They are among the most prevalent parasites of indoor plants and are sometimes referred to as plant lice. Aphids are easily carried indoors by the wind through an open window, on infected plants, or on clothing. Colors of aphids include green, yellow, orange, red, beige, pink, and black, among others.

What causes an infestation of aphids?

Did you know that most gardens have some aphids present? These common insects don’t do much damage to healthy plants, and helpful insects like ladybugs aid in their population reduction. When things go awry, typically when plants are stressed by dryness, bad soil, or overpopulation, aphids become more of a nuisance. Aphids may also reproduce incredibly quickly in the correct garden circumstances, building up a large, voracious colony in a matter of days that can practically suffocate your plants. Knowing when to act and having the appropriate strategies in your back pocket to get them under control are the keys to dealing with these tiny but deadly pests.

What eliminates aphids the best?

Aphid bodies that have been mummified have been parasitized. The circular hole in the upper left mummy is where the parasitic wasp (center) has come out.

Aphids are tiny, soft-bodied insects that pierce stems, leaves, and other fragile plant components with their long, thin mouthparts in order to extract fluids. Aphid species that occasionally feed on plants can be found on almost every plant. Although it might be challenging to tell one aphid species from another, most aphid species can be managed similarly.


Depending on the species and the plants they feed on, aphids can be green, yellow, brown, red, or black and have soft, pear-shaped bodies with long legs and antennae. Some species secrete a waxy white or gray material across their body surface, giving them the appearance of being waxy or fuzzy. The hind end of the majority of species’ bodies protrude a pair of cornicles, which are tube-like structures. Aphids can be distinguished from all other insects by the presence of cornicles.

Aphid adults typically lack wings, however most species can also be found with wings, especially during periods of high population or in the spring and fall. When the quality of the food source declines, the pest has a method to spread to new plants thanks to its ability to create winged offspring.

Aphids are sometimes encountered alone, but they often feed in large groups on stems or leaves. Most aphids don’t move quickly when startled, unlike leafhoppers, plant bugs, and some other insects that may be mistaken for them.


Aphids produce a lot of offspring each year. In California’s temperate environment, the majority of aphids reproduce asexually for the majority of the year, with mature females giving birth to live offspring—often as many as 12 per day—without mating. Nymphs are the name for young aphids. Before they reach adulthood, they molt, shedding their skin around four times. No pupal stage exists. Some species develop sexual forms that pair and lay eggs in the fall or winter, giving them a more resilient stage to withstand bad weather and the lack of leaves on deciduous plants. Sometimes aphids lay these eggs on a different host, usually a perennial plant, in order to survive the winter.

Many types of aphids can mature from a newborn nymph to a reproducing adult in seven to eight days when the climate is warm. Aphid populations can grow quite quickly since each adult can produce up to 80 young in just one week.


Aphids that feed on leaves in small to moderate numbers rarely cause harm to trees or gardens. Aphids can also produce significant amounts of honeydew, a sticky fluid that frequently turns black with the development of a fungus called sooty mold. However, high populations of aphids can cause leaves to turn yellow and stunt shoots. A poison that some aphid species inject into plants results in curled leaves, which further stunts growth. Gall formations are caused by a few species.

On some ornamental and vegetable plants, aphids can spread viruses from one plant to another. Crops like bok choy, squash, cucumber, pumpkin, melon, bean, potato, lettuce, beet, and chard are frequently contaminated with viruses spread by aphids. The viruses stunt plant growth by curling, yellowing, or mottling leaves. Infection occurs even when aphid populations are very low; it just takes a few minutes for the aphid to spread the virus, whereas it takes a significantly longer time to kill the aphid with an insecticide. Losses can be substantial, but they are difficult to prevent by eliminating aphids.

Some aphid species prey on plant components besides leaves and shoots. The spring and summer attacks of the soil-dwelling lettuce root aphid cause lettuce plants to wilt and occasionally perish. This species frequently relocates to poplar trees in the fall, where it spends the winter in the egg stage and emerges in the spring with leaf galls. The woolly apple aphid feeds on the woody parts of apple roots and limbs, frequently close to pruning wounds, and if the roots are infected for a number of years, it can lead to overall tree degeneration. Carrots with severe crown and root aphid infestations may have weakened tops that break off after harvest.